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Investment in Debt Securities Available for Sale - Summary of Investment Securities Gross Unrealized Gains (Losses) (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]    
Investments in debt securities with unrealized Gains, Less than 12 months , Fair Value $ 2,791,868 $ 7,985,886
Investment securities - available for sale, Fair Value 2,791,868 7,985,886
Investments in debt securities with unrealized Gains, Less than 12 months, Unrealized Holding Gains 7,866 42,778
Unrealized Holding Gains $ 7,866 $ 42,778